I know this well, that if one ...

I know this well, that if one thousand, if one hundred, if ten men whom I could name,--if ten honest men only,--ay, if one HONESTman, in this State of Massachusetts, ceasing to hold slaves, were actually to withdraw from this copartnership, and be locked up in the county jail therefor, it would be the abolition of slavery in America. For it matters not how small the beginning may seem to be: what is once well done is done forever.
I know this well, that if one thousand, if one hundred, if ten men whom I could name,--if ten honest men only,--ay, if one HONESTman, in this State of Massachusetts, ceasing to hold slaves, were actually to withdraw from this copartnership, and be locked up in the county jail therefor, it would be the abolition of slavery in America. For it matters not how small the beginning may seem to be: what is once well done is done forever.

Quotes from the same author

Many men go fishing all of their lives without knowing that it is not fish they are after.
If one advances confidently in the direction of his dream, and endeavors to live the life which he had imagines, he will meet with a success unexpected in common hours.
Ignorance and bungling with love are better than wisdom and skill without.
The most I can do for my friend is simply be his friend.
A man cannot be said to succeed in this life who does not satisfy one friend.